%!TEX root = poster.tex
\newcommand{\evenH}{%
	\begin{tikzpicture}[baseline]
		\foreach \q in {60,180,300} {
			\draw[fill] (\q:3) circle (0.2) -- (\q:1) circle (0.2); \draw (\q:1) .. controls (\q+90:1)  and (\q+30:3) .. (\q:1) -- (\q+120:1);
		}
	\end{tikzpicture}
}

\newcommand{\evenEH}{%
	\begin{tikzpicture}[baseline]
		\foreach \q in {60,180,300} {
			\draw[fill] (\q:3) circle (0.2) -- (\q:1) circle (0.2); \draw (\q:1) .. controls (\q+90:1)  and (\q+30:3) .. (\q:1) -- (\q+120:1);
		}
		\draw[fill] (-7,0) circle (0.2) -- (-5,0) circle (0.2) -- (-3,0);
		\draw (-5,0) .. controls (-6,1) and (-4,1) .. (-5,0);
		\draw (-3,0) .. controls (-2,1) and (-4,1) .. (-3,0);
	\end{tikzpicture}
}
\newcommand{\evenAH}{%
	\begin{tikzpicture}[baseline]
		\foreach \x in {-5,-3,-1,1,3,5} {
			\draw[fill] (\x,0) circle (0.2);
		}
		\foreach \x in {-5,-3,-1,1,3} {
			\draw (\x,0) -- (\x+2,0);
		}
		\foreach \x in {-3,-1,1,3} {
			\draw (\x,0) .. controls (\x-1,-1) and (\x+1,-1) .. (\x,0);
		}
		\draw (-1,0) -- (1,3) -- (-1,3) -- (1,0);
		\draw[fill] (0,1.5) circle (0.2) (1,3) circle (0.2) (-1,3) circle (0.2);
		\draw (0,1.5) .. controls (1,2.5) and (1,0.5) .. (0,1.5);
	\end{tikzpicture}
}
\newcommand{\evenGHJ}{%
	\begin{tikzpicture}[baseline]
		\foreach \x in {-4,-2,2,4} {
			\draw[fill] (\x,0) circle (0.2);
		}
		\foreach \x in {-2,2} {
			\draw[fill] (0,\x) circle (0.2);
		}
		\draw (-4,0) -- (4,0);
		\draw (-2,0) -- (0,2) -- (2,0) -- (0,-2) -- cycle;
		\draw (0,2) -- (0,0.3) (0,-0.3) -- (0,-2);
		\foreach \x in {-2,2} {
			\draw (\x,0) .. controls (\x-1,-1) and (\x+1,-1) .. (\x,0);
		}
	\end{tikzpicture}
}
\newcommand{\evenO}{%
	\begin{tikzpicture}[baseline]
		\foreach \q in {60,180,300} {
			\draw[fill] (\q:2) circle (0.2) -- (0,0) circle (0.2);
		}
		\foreach \r in {1.5,2.25,3} {
			\draw (0,0) .. controls (165:\r) and (75:\r) .. (0,0);
		}
	\end{tikzpicture}
}